<!DOCTYPE html><meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
    body {
        margin: 0;
    }
    .container {
        position: relative;
        overflow: hidden;
        width: 100vw;
        height: 100vh;
    }
    .video {
        position: absolute;
        width: 100vw;
        height: 100vh;
    }
</style>
<div class="container"><div class="video" id="player"></div></div>
<script src="youtube.js"></script>
